“primary standards of national defense”的概念、定义、翻译、参考文献-科学参考

单词	primary standards of national defense
释义	primary standards of national defense Encyclopedia 工学（计量）释 primary standards of national defense国防最高计量标准在国防军工系统中具有最高计量特性，由国家国防科技工业计量主管部门考核合格并授权在国防军工系统中进行量值传递的测量标准。
随便看	political preference political process Political Program for Border Areas of Shaanxi, Gansu and Ningxia political propaganda political psychology political public opinion political quality of the people's police political question doctrine political realism political reform thought of China's landlord class political relation political revolution political rhetoric political rights political risks in overseas investment political ritual political role political rule political scheme directed the countryside of the Kuomintang government political science political science of resources Political Science Syllabus political slogan political socialization political sociology

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。